The Sea Lion features a 37mm CARBONOX™ case with a distinctive "turtle shape" design. Notable for its protected crown and dive bezel, this watch stands out with its unique design. It is water-resistant to 100 meters and comes with a Black PU strap and a stainless-steel signature buckle. The Luminox Light Technology ensures self-powered visibility in any conditions, with illumination lasting up to 25 years.- Swiss Quartz- Approximately 36 Months Battery Life- Constant glow for up to 25 Years- 37mm Case Size- 12mm Case Thickness - CARBONOX™ Case- Polyurethane Strap- Mineral Crystal - 100 Meters Water Resistant